Computer Networks MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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What does ‘SMTP’ stand for?
A. Simple Mail Transfer Protocol
B. Secure Mail Transfer Protocol
C. Simple Message Transfer Protocol
D. Secure Message Transfer Protocol
Answer: Simple Mail Transfer Protocol
What is a ‘firewall’?
A. A security system that monitors and controls incoming and outgoing network traffic
B. A type of network switch
C. A hardware component for encryption
D. A network cable
Answer: A security system that monitors and controls incoming and outgoing network traffic
What is ‘QoS’ used for in networking?
A. Managing and prioritizing network traffic to ensure performance
B. Encrypting data
C. Increasing bandwidth
D. Storing data
Answer: Managing and prioritizing network traffic to ensure performance
What is a ‘vulnerability’ in network security?
A. A weakness that can be exploited to gain unauthorized access or cause harm
B. A type of network device
C. A protocol for secure communication
D. A method for increasing network speed
Answer: A weakness that can be exploited to gain unauthorized access or cause harm
What is a ‘modem’?
A. A device that modulates and demodulates signals for data transmission
B. A type of network cable
C. A network protocol
D. A hardware component for encryption
Answer: A device that modulates and demodulates signals for data transmission
What is a ‘digital certificate’?
A. An electronic document used to verify the identity of a user or device
B. A type of network hardware
C. A protocol for data transfer
D. A software application for data management
Answer: An electronic document used to verify the identity of a user or device
What is a ‘gateway’ in networking?
A. A device that connects different networks and translates protocols
B. A type of network switch
C. A method for data encryption
D. A network management tool
Answer: A device that connects different networks and translates protocols
What is ‘ICMP’ primarily used for?
A. Error reporting and diagnostics in network communication
B. Data encryption
C. Network speed enhancement
D. Data storage
Answer: Error reporting and diagnostics in network communication
What is a ‘domain’ in networking?
A. A logical group of network resources or computers
B. A physical network device
C. A type of network protocol
D. A network management tool
Answer: A logical group of network resources or computers